<%--
  Created by IntelliJ IDEA.
  User: Lenovo
  Date: 2022-04-28
  Time: 10:33
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" isELIgnored="false" language="java" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
    <c:set var="a" value="abcdefg"></c:set>
    ${fn:contains('abc', 'c')}
    ${fn:startsWith(a, 'a')}
    ${fn:replace(a,'e' ,'E' )}
    ${fn:toUpperCase(a)}
</body>
</html>
